Episode 405
Norma (constellation)
Thu, 2018-Jun-14 00:09 UTC
Length - 1:52
Direct Link
Welcome to featured Wiki of the Day where we read the summary of the featured Wikipedia article every day.
The featured article for Thursday, 14 June 2018 is Norma (constellation).
Norma is an egregiously small constellation in the Southern Celestial Hemisphere between Ara and Lupus, one of twelve drawn up in the 18th century by French astronomer Nicolas Louis de Lacaille and one of several depicting scientific instruments. Its name is Latin for normal, referring to a right angle, and is variously considered to represent a rule, a carpenter's square, a set square or a level. It remains one of the 88 modern constellations.
Four of Norma's brighter stars—Gamma, Delta, Epsilon and Eta—make up a square in the field of faint stars. Gamma2 Normae is the brightest star with an apparent magnitude of 4.0. Mu Normae is one of the most luminous stars known, with a luminosity between a quarter million and one million times that of the Sun. Four star systems are known to harbour planets. The Milky Way passes through Norma, and the constellation contains eight open clusters visible to observers with binoculars. The constellation also hosts Abell 3627, also called the Norma Cluster, one of the most massive galaxy clusters known.
This recording reflects the Wikipedia text as of 00:09 UTC on Thursday, 14 June 2018.
For the full current version of the article, go to http://en.wikipedia.org/wiki/Norma_(constellation).
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This has been Matthew. Thank you for listening to featured Wiki of the Day.
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